Cal coach Sonny Dykes responded to the worst defense in school history on Wednesday by demoting coordinator Andy Buh and firing two assistant coaches.

“I owe it to our student-athletes to provide them with the best conditions for success, both on and off the field,” Dykes said in a statement, “and I am committed to hiring coaches who will develop our players to their fullest potential while being excellent teachers in all aspects of the game.”

Buh will be reassigned to a position coaching assignment that has not been announced, although he was responsible for Cal’s linebackers last season. Defensive tackles assistant Barry Sacks and defensive backs coach Randy Stewart were fired.

Dykes will find a new coordinator and at least one defensive position coach.

Cal allowed an average of 45.9 points and 529.6 yards per game during a 1-11 season. Those figures are the worst in school history, and both ranked 122nd nationally among 123 Football Bowl Subdivision teams.

Schedules announced: The Pac-12 released schedules for its member schools. Cal will host Stanford in the Big Game on Nov. 22. Cal will play a home game Friday, Oct. 24, against Oregon at Levi’s Stadium in Santa Clara.

Stanford will play two games on Fridays: Washington State visits Stanford Stadium on Oct. 10, and the Cardinals plays UCLA at the Rose Bowl on Nov. 28.

See Page 8 for the teams’ full schedules.

Bound for NFL: Texas A&M quarterback Johnny Manziel declared for the NFL draft after two seasons in which he became the first freshman to win the Heisman Trophy and helped the Aggies make a splash in their first two years in the Southeastern Conference.

Some NFL draft analysts have Manziel ranked as high as the third overall pick in mock drafts.

Manziel led the Aggies to a 52-48 win over Duke in the Chick-Fil-A Bowl on New Year’s Eve in his final college game.

Notre Dame running back George Atkinson III announced he will skip his final year of eligibility and enter the NFL draft.

Atkinson was Notre Dame’s second-leading rusher. He was suspended from playing in the Pinstripe Bowl for violating an unspecified team rule.

Atkinson’s father, former Raider George Atkinson Jr., said his other son, Josh Atkinson — George III’s twin brother — will stay at Notre Dame. Josh Atkinson spent time at cornerback and wide receiver this past season.

Louisville: A member of the Louisville board of trustees said Western Kentucky’s Bobby Petrino has accepted an offer to be the Cardinals’ next head coach. Petrino, 52, will replace Charlie Strong, who accepted the Texas job over the weekend.

Petrino returns to the school he led to a 41-9 record from 2003-06 as a first-time head coach. He was 8-4 last season at Western Kentucky, his first position since his April 2012 firing by Arkansas.

Florida State: Receiver Rashad Greene and starting linemen Cameron Erving and Tre Jackson said they will return next season. All three were first-team all-conference selections.

Staff writer Jon Wilner and The Associated Press contributed to this report.

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